Abstract
The circumstances present themselves as definitive when trying to run any human action, especially those that relate to the achievement and maintenance of power. Assuming that the higher the power of fortune less freedom to commit actions that can lead to successful political actor in the world of contingency, it becomes essential to know how it exercises power over the actions of men. But is it possible to do it precisely? We start from the historical context in which the works of Machiavelli are written to understand the relationship the author establishes with tradition, sometimes taking it, now opposing it. We recovered Machiavelli’s texts and established dialogue with some commentators the author’s work to investigate the question of fortune itself